Watch List notes:

CRUSADERS, Knights of Rhodes (Knights Hospitaller). Peter of Aubusson. 1476-1503. AV Ducat (23mm, 3.49 g, 1h). •/S/•/I/O/h/Λ/N/N/I/•/M/P F PЄTRVS DAVBVSSON, St. John standing right, holding Gospels and presenting banner to Grand Master kneeling left / SIT T XPЄ DΛTVS RЄGIS ISTЄ DVCΛ, Christ standing facing, raising hand in benediction and holding Gospels, surrounded by elliptical halo containing four stars to left, five to right; pellet between feet. Cf. Schlumburger, pl. XI, 1 (for type); Metcalf, Crusades 1226 var. (rev. legend); CCS 42 var. (legends); cf. NAC 58, lot 24 (for type). Good VF, toned riverine surfaces.